/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.server.coordination;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.druid.segment.realtime.appenderator.SegmentSchemas;

import javax.annotation.Nullable;

/**
 * Implementation of {@link DataSegmentChangeRequest}, which encapsulates segment schema changes.
 */
public class SegmentSchemasChangeRequest implements DataSegmentChangeRequest
{
  private final SegmentSchemas segmentSchemas;

  @JsonCreator
  public SegmentSchemasChangeRequest(
      @JsonProperty("segmentSchemas") SegmentSchemas segmentSchemas
  )
  {
    this.segmentSchemas = segmentSchemas;
  }

  @JsonProperty
  public SegmentSchemas getSegmentSchemas()
  {
    return segmentSchemas;
  }

  @Override
  public void go(DataSegmentChangeHandler handler, @Nullable DataSegmentChangeCallback callback)
  {
    // noop
  }

  @Override
  public String asString()
  {
    return segmentSchemas.toString();
  }
}
